I found this card packaging somewhere on a shelf or among some files in my dad's study. It's for the "Whatman 105 lens cleaning tissue" for a camera, circa 1980s I'd guess, and it still has one or two thin tissues inside it.
The best bit is the back: the packaging is folded up into a little envelope, and has this lovely design on it. Firstly, there's a thumbprint placed at the bottom where they want you to put your thumb so that the tissues don't fly away in the wind when you open it up. The thumbprint is in blue, as if it had been manually printed in finger-print ink directly onto the card.
The thumbprint is also visible in the instructional diagram above, which shows what it's going to look like when you've opened up the package - very nicely drawn. And those two designs work together, almost redundantly, to tell the story. And lastly, the instructional diagram is printed onto the envelope's flap so that diagram doesn't need to recursively represent a smaller version of itself ad infinitum as you open it.
I really like it.